mall1	product1	level1	60
mall2	product1	level1	59
mall3	product1	level1	56
mall4	product1	level1	50
mall1	product2	level1	74
mall2	product2	level1	81
mall3	product2	level1	74
mall4	product2	level1	84
mall1	product3	level1	124
mall2	product3	level1	114
mall3	product3	level1	122
mall4	product3	level1	122
mall1	product4	level1	68
mall2	product4	level1	58
mall3	product4	level1	67
mall4	product4	level1	58
mall1	product5	level1	76
mall2	product5	level1	89
mall3	product5	level1	80
mall4	product5	level1	77
